Platinum-Based Versus Non-Platinum-Based Chemotherapy in Advanced Non-Small-Cell Lung Cancer: A Meta-Analysis of the Published Literature

Author:

D'Addario Giannicola1,Pintilie Melania1,Leighl Natasha B.1,Feld Ronald1,Cerny Thomas1,Shepherd Frances A.1

Affiliation:

1. From the Kantonsspital St Gallen, Departement Innere Medizin, Fachbereich Onkologie-Haematologie, St Gallen, Switzerland; Princess Margaret Hospital, Toronto, Ontario, Canada

Abstract

Purpose This meta-analysis was performed to compare the activity, efficacy and toxicity of platinum-based versus non-platinum-based chemotherapy in patients with advanced non-small-cell lung cancer. Methods Randomized phase II and III clinical trials comparing first-line palliative platinum-based chemotherapy with the same regimen without platinum or with platinum replaced by a nonplatinum agent were identified by electronic searches of Medline, Embase, and Cancerlit, and hand searches of relevant abstract books and reference lists. Response rates, 1-year survival, and toxicity were analyzed. Subgroups of trials using third-generation agents were compared. Results Thirty-seven assessable trials were identified including 7,633 patients. A 62% increase in the odds ratio (OR) for response was attributable to platinum-based therapy (OR, 1.62; 95% CI, 1.46 to 1.8; P < .0001). The 1-year survival rate was increased by 5% with platinum-based regimens (34% v 29%; OR, 1.21; 95% CI, 1.09 to 1.35; P = .0003). No statistically significant increase in 1-year survival was found when platinum therapies were compared to third-generation-based combination regimens (OR, 1.11; 95% CI, 0.96 to 1.28; P = .17). The toxicity of platinum-based regimens was significantly higher for hematologic toxicity, nephrotoxicity, and nausea and vomiting, but not for neurotoxicity, febrile neutropenia rate, or toxic death rate. Conclusion Response is significantly higher with platinum-containing regimens. One-year survival was not significantly prolonged when platinum-based therapies were compared with third-generation-based combination regimens. Toxicity is generally higher for platinum-based regimens.

Publisher

American Society of Clinical Oncology (ASCO)

Subject

Cancer Research,Oncology

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